磁共振TRICKS技术在下肢疾病中的应用  

Application of Time-resolved Imaging of Contrast Kinetics in the Diagnosis of Lower Extremity Diseases

作　　者：戈明媚[1] 刘志钦[1] 刘晓林[1] 王秋良[1] 廖玉珍[1] 

机构地区：[1]北京军区总医院,北京100700

出　　处：《医疗卫生装备》2009年第6期61-62,共2页Chinese Medical Equipment Journal

摘　　要：目的:探讨时间分辨动态增强血管成像(TRICKS)技术在下肢疾病中的应用价值。方法:回顾性分析24例27次下肢肌肉、骨骼及血管疾病患者应用TRICKS动态血管造影技术行下肢血管成像。其中双下肢二段扫描14例;大腿一段扫描5例6次;小腿一段扫描5例7次。扫描序列为常规平扫和TRICKS技术加常规增强扫描。结果:所有病例TRICKS扫描图像满足动静脉期血管变化及结构显示,通过观察病变区循环全过程,均达到诊断要求。结论:TRICKS技术可以获得周围血管成像时血流的动态变化,获得目标血管及肿瘤病变的血供情况,为临床定性诊断提供重要依据。Objective To discuss the value of Time-Resolved Imaging of Contrast Kinetics （TRICKS） in the diagnosis of lower extremity diseases. Methods 24 cases （27 times） with lower extremity, skeleton and blood vessel diseases undergoing TRICKS were retrospectively analyzed. There were 14 cases with both lower extremities two-segment scan, 5 cases（6 times） with one-segment scan （thigh）, and 5 cases （7 times） with one-segment scan （calf）. Conventional sequences were performed followed by enhanced MR angiography with the TRICKS technique.Results The TRICKS images for all cases satisfied the vascular changes and structure demonstration in arteriovenous phase, and the full circulative process of those pathological vessels were observed. The diagnostic accuracy of TRICKS angiography has been validated. Conclusion The TRICKS provides a method for imaging the change of blood flow. The vascularity in the target vascular and tumor can also be obtained. Hence TRICKS provide important information in clinical decision making.

关 键 词：磁共振成像 血管成像 下肢疾病 

分 类 号：R445.2[医药卫生—影像医学与核医学]